111207362131 has 2 divisors, whose sum is σ = 111207362132. Its totient is φ = 111207362130.

The previous prime is 111207362117. The next prime is 111207362173. The reversal of 111207362131 is 131263702111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111207362131 - 2¹¹ = 111207360083 is a prime.

It is a super-2 number, since 2×111207362131² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 111207362131.

It is not a weakly prime, because it can be changed into another prime (111207363131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55603681065 + 55603681066.

It is an arithmetic number, because the mean of its divisors is an integer number (55603681066).

Almost surely, 2^111207362131 is an apocalyptic number.

111207362131 is a deficient number, since it is larger than the sum of its proper divisors (1).

111207362131 is an equidigital number, since it uses as much as digits as its factorization.

111207362131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 28.

The spelling of 111207362131 in words is "one hundred eleven billion, two hundred seven million, three hundred sixty-two thousand, one hundred thirty-one".